OpenTechnical

OT-2026-000032521

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000032521) never changes.

Identity and time

Publication numberOT-2026-000032521 · never reused
Internal UUID01a0ae75-106f-7087-bf08-0ee9eaa15d64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032521
StatusPUBLIC

Content hashes

Canonical text65b6d656e5b920a1f2cf939f911465920626407400ae3bd8630ec44bd200c639
Markdowna8c189e0bf8a06b03eb807b31aee5b150a0388f6f760ef0d637d18e5eba63a66
PDF
Publication page371dcab83ba978042965ed43fe65c913cfbae9d5f9ccc477aaba6c6b80433b1e
Manifestfcde520e6a3c88d3936238b418ab0b7f7e06d366a1fc6f5123598a56a666b9f0

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturewpjMPJmdSm/Ixjm/RKk1xw+/1awNg1vhV2SQ9ETLNoSqoFdyR+X/JXRjAGkdn49oJff0YEUCmEnoZpfLTuxLAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:04.650802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032521
observed 371dcab83ba978042965ed43fe65c913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:04.627022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032521/manifest.json
observed fcde520e6a3c88d3936238b418ab0b7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:04.603202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032521/publication.md
observed a8c189e0bf8a06b03eb807b31aee5b15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:04.407984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032521/publication.txt
observed 65b6d656e5b920a1f2cf939f91146592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.